Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Disconnect connector LV2 from the PCB (refer to picture)
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Is the display still flashing is does it now operate correctly?
Note:
Fault code may be displayed but this does not affect this test.